If you love mushrooms, growing delicious oyster mushrooms in your fridge is an easy if not quick process. You'll need a fresh Oyster mushroom with it's woody base still attached, sterilized sawdust (pet cedar shavings), a few handfuls of straw, and common household items such as paper bags, 1-gallon freezer bags, and hydrogen peroxide. The entire process will take six months to result in free mushrooms, but your total time and cost investment is minimal.

Paul Holowko of gardening blog Gardening Rhythms demonstrates the method in the video above. Chop off the base of the mushroom and place it in a wet paper bag along with wet sawdust or pet bedding, and prepare another bag to place the first bundle inside. Put this in a plastic airtight food container and let it propagate in your fridge's crisper drawer for three months. At this point the growing mushrooms will have ingested the bag and cellulose from the sawdust. Next, dilute hydrogen peroxide in a 5-gallon bucket as instructed in the video, mix, and add straw to absorb the diluted mixture. Place your 3-month mushroom in a 1-gallon freezer bag with the straw and drain any excess fluid. Place this bag in a dark, room-temperature area for another three months and you'll be ready to harvest your mushrooms.

The only part of the process that might be a headache is finding a donor mushroom with the base still intact, but if you have a Whole Foods or other natural/organic grocer you should be able to find what you need there. We covered the Back to the Roots Mushroom Growing Kit a few months back, but the method above is cheaper, doesn't require a pre-made kit, and can be continued indefinitely as long as you reserve the base to inoculate spores into your mixture.